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Naphthalene-2,6-disulfonic acid

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Identification
Molecular formula
C10H8S2O6
CAS number
96-48-0
IUPAC name
naphthalene-2,6-disulfonic acid
State
State

At room temperature, naphthalene-2,6-disulfonic acid is in a solid state, generally existing in a crystalline or powder form. It does not exhibit volatility under standard conditions.

Melting point (Celsius)
300.00
Melting point (Kelvin)
573.00
Boiling point (Celsius)
530.00
Boiling point (Kelvin)
803.00
General information
Molecular weight
272.26g/mol
Molar mass
272.2630g/mol
Density
1.8000g/cm3
Appearence

Naphthalene-2,6-disulfonic acid typically appears as a white to off-white crystalline solid. It may sometimes appear as a powder depending on the sample size and conditions of storage. It is known for its distinct aromatic odor similar to other naphthalene derivatives.

Comment on solubility

Solubility of Naphthalene-2,6-disulfonic Acid

Naphthalene-2,6-disulfonic acid, with the formula C10H8O6S2, is a compound known for its interesting solubility characteristics. This compound is generally categorized as a sulfonic acid, which influences its interaction with water and organic solvents.

When discussing the solubility of naphthalene-2,6-disulfonic acid, it's essential to consider the following aspects:

  • Water Solubility: Naphthalene-2,6-disulfonic acid is relatively soluble in water due to the presence of two sulfonic acid groups (-SO3H). These groups can ionize, enhancing the compound's ability to interact with water molecules.
  • Solvent Compatibility: In addition to water, naphthalene-2,6-disulfonic acid exhibits limited solubility in organic solvents. Its aromatic structure may hinder solubility in non-polar solvents.
  • pH Dependency: The solubility can be affected by the pH of the solution. In acidic or neutral conditions, it remains soluble; however, in highly basic conditions, the solubility may change due to potential precipitation of the salt form.

In practical applications, its solubility makes naphthalene-2,6-disulfonic acid valuable in various industrial processes, especially where aqueous solutions are utilized. It serves as a useful reagent due to its ionic nature and ability to form complexes with transition metals.

Overall, naphthalene-2,6-disulfonic acid's solubility profile plays a crucial role in its effectiveness in chemical reactions and applications.

Interesting facts

Interesting Facts about Naphthalene-2,6-disulfonic Acid

Naphthalene-2,6-disulfonic acid is a fascinating compound that belongs to the family of aromatic sulfonic acids. Here are some intriguing insights into this chemical:

  • Chemical Structure: This compound features a naphthalene ring with two sulfonic acid groups attached at the 2 and 6 positions, giving it unique properties. The presence of sulfonic acid groups makes it a strong acid, which is critical in various applications.
  • Applications in Dyes: Naphthalene-2,6-disulfonic acid serves as an important precursor in the synthesis of various dyes, particularly in the textile industry. Its ability to facilitate color bonding enhances the vibrancy and durability of fabrics.
  • Role in Laboratory Research: Chemists often utilize this compound as a reagent in organic synthesis. It is known for its ability to stabilize certain intermediates during chemical reactions, making it crucial for developing new materials.
  • Environmental Considerations: With its connections to aromatic compounds, naphthalene-2,6-disulfonic acid prompts discussions in environmental chemistry. Understanding its behavior in various systems aids in assessing its impact on ecosystems.
  • Keywords: This compound is often referred to as “NDSA” in research literature, making it easier for scientists to discuss without needing to spell out the full name every time.

As a noteworthy member of sulfonic acids, naphthalene-2,6-disulfonic acid demonstrates the intricate relationship between chemical structure and function, offering numerous avenues for further research and innovation in chemistry.

Synonyms
Naphthalene-2,6-disulfonic acid
2,6-NAPHTHALENEDISULFONIC ACID
Naphthalene-2,6-disulphonic acid
UNII-BOR133U3TN
CHEBI:41070
EINECS 209-471-9
NSC 37041
NSC-37041
DTXSID2060385
2,6-NAPHTHALENEDISULFONIC ACID [MI]
DTXCID6042319
N-2,6-DSA
581-75-9
Ebert-Merz beta-acid
Ebert-Merz .beta.-acid
2,6-Naphthalene disulfonic acid
BOR133U3TN
NSC37041
BIH
SCHEMBL300937
Naphthalene-2,6-disulfonicacid
CHEMBL1206869
2, 6-Naphthalenedisulfonic acid
AKOS015897573
DB04640
AC-18246
NS00033877
Q27095378
2,6-NAPHTHALENEDISULFONIC ACID; 2,6-NAPHTHALENEDISULPHONIC ACID